Battle of Tours — Charles Martel Halts Muslim Expansion
Frankish leader Charles Martel defeated the Umayyad Caliphate's army at Tours, killing the invading commander Abd al-Rahman al-Ghafiqi. The Franks' disciplined infantry squares repulsed the Muslim cavalry charges.
Tours halted the northward expansion of Islam into Western Europe; some historians call it one of the most decisive battles in world history, preserving Christian Europe.
Outcome
Frankish victory; Muslim expansion into Europe halted